Submersible Patents (Class 310/87)
  • Patent number: 10723428
    Abstract: A trolling motor mounting system comprising a housing to at least partially enclose a drive unit of a trolling motor, and a shaft to couple the trolling motor to a boat wherein the shaft includes a first passage or channel extending at least a major portion thereof and the housing includes a second passage or channel extending from the first passage or channel to the drive unit to cooperatively form a passageway to receive a conductor therethrough to supply power and data from the boat to the drive unit to seal and isolate the conductor from the surrounding environment.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: July 28, 2020
    Assignee: JL MARINE SYSTEMS, INC.
    Inventors: Nicholas Alexander Vicari, John David Oliverio
  • Patent number: 10677033
    Abstract: A well pump electrical motor has a motor housing filled with a dielectric motor lubricant. A motor head has at least one motor lead passage in fluid communication with the motor lubricant. An outer seal, which is exposed to well fluid, seals around a motor lead in the motor lead passage. An inner seal seals around the motor lead in the motor lead passage inward from the outer seal and has an inner side in contact with the motor lubricant in the motor. A barrier fluid passage extends into an annular space between the inner and outer seals and contains a barrier fluid. A pressure compensating device has an inner side in contact with the barrier fluid in the barrier fluid passage for reducing a pressure differential between the barrier fluid and a hydrostatic fluid pressure of well fluid on the exterior of the motor.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: June 9, 2020
    Assignee: Baker Hughes, a GE Company, LLC
    Inventors: Ryan P. Semple, David Tanner
  • Patent number: 10673306
    Abstract: A rotary machine capable of carrying out efficient cooling without increasing costs or deteriorating performance is provided. A motor 1 serving as the rotary machine has a rotor 20 configured to be rotatable around a rotary shaft 10, a stator 30 having a stator core 31 arranged around the rotor 20 and a coil 32 attached to the stator core 31 so that a coil end part 32a protrudes from each end of the stator core 31, mold members 33a and 33b formed at both ends of the stator core 31, to cover base parts of the coil end parts 32a, and partition parts 42b and 43b attached in contact with the mold members 33a and 33b, to separate a space S1 in which the rotor 20 is arranged from a space S2 in which the coil end parts 32a are arranged.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: June 2, 2020
    Assignee: IHI Corporation
    Inventors: Norihisa Handa, Satoru Ohashi, Masahiro Tanida, Shusaku Yamasaki
  • Patent number: 10669807
    Abstract: A well pump seal section housing connects between a pump and a motor. Upper and lower retainers at upper and lower ends of the housing have outward facing cylindrical walls. A bladder has an interior in fluid communication with dielectric lubricant in the motor. Rigid upper and lower sleeves are bonded within upper and lower openings of the bladder. The sleeves slide over the cylindrical walls of the retainers and are sealed by seal rings. Fasteners secure the sleeves to the cylindrical walls.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: June 2, 2020
    Assignee: Baker Hughes, a GE Company, LLC
    Inventors: David Farnsworth McManus, Aron Meyer, Ryan Semple, Joseph Scott Thompson
  • Patent number: 10662952
    Abstract: A low profile pump motor lead protector with a head guard and a trailing guard, the head guard including a front section with a front end and a rear section with a rear end, the trailing guard having a pin end for insertion in a head guard socket, the lead protector for protecting a motor lead of a pump and motor assembly of a downhole production string for surfacing fluid from a reservoir such as a subterranean oil well.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: May 26, 2020
    Inventor: Lawrence Osborne
  • Patent number: 10615662
    Abstract: The invention relates to a rotary electric machine which comprises: a stator provided with a body; a casing in at least two parts; an annular chamber for cooling the machine (30) delimited by an outer wall (23) that belongs to one of the parts of the casing (2, 3) and is made of a moldable material such as aluminium; and an inner wall (31) belonging to a steel part (31) which is thinner than the outer wall (23) and shaped so as to have a region (33) for mounting the stator body and two docking regions (22, 24) each having a seal (36) by virtue of their arrangement on either side of the mounting region (33) of the stator body.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: April 7, 2020
    Assignee: Valeo Equipments Electriques Moteur
    Inventors: Michaël Hanquez, Hugues Gervais, Virginie Leroy, Michel Le Douarin
  • Patent number: 10598221
    Abstract: A magnetic thrust bearing is designed for use in a pumping system that includes a pump driven by a motor through a shaft. The magnetic thrust bearing includes one or more platters that remain stationary with respect to the shaft and one or more thrust discs connected to the shaft and interleaved with the one or more platters. Each of the one or more platters includes a plurality of platter magnets and each of the one or more thrust discs includes a plurality of thrust disc magnets. The magnets on the platters and thrust discs are configured to produce repulsive magnetic forces as the thrust discs approach the platters.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: March 24, 2020
    Assignee: Baker Hughes Oilfield Operations, LLC
    Inventors: James Hyatt, Michael Franklin Hughes, Connor Hayes, Erik Stephen Robbins, Mohammad Chowdhury, Hannah Kelly
  • Patent number: 10581297
    Abstract: A fluid rotor is configured to move or be rotated by a working fluid. A fluid stator surrounds the fluid rotor. The fluid stator is spaced from the fluid rotor and defines a first annular fluid gap in-between that is in fluid communication with an outside environment exterior the downhole-type pump. A radial magnetic bearing includes a first portion coupled to the fluid rotor and a second portion coupled to the fluid stator. The first portion is spaced from the second portion defining a second annular fluid gap in-between that is in fluid communication with the outside environment exterior the downhole-type pump.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: March 3, 2020
    Assignee: Upwing Energy, LLC
    Inventors: Kuo-Chiang Chen, Patrick McMullen
  • Patent number: 10541582
    Abstract: Systems and methods for electric motor, where the stator core has one or more stator core sections, each of which is a single-piece unit formed of soft magnetic composite (SMC) material, and where the stator core sections are positioned end-to-end with seals at each end to form a plurality of stator slots, where each of the stator slots extends through each of the stator core sections and is in fluid communication with the others to form a sealed stator chamber. The sealed stator chamber may have an expansion chamber to allow expansion and contraction of dielectric fluid in the stator chamber while maintaining separation of the dielectric oil from lubricating oil which is within the motor but external to the stator chamber. The sealed stator chamber can prevent well fluids that leak into the motor from reaching the stator windings and degrading their insulation.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: January 21, 2020
    Assignee: BAKER HUGHES INCORPORATED
    Inventors: Yong Li, John M. Knapp, Jackson Reynolds
  • Patent number: 10533579
    Abstract: An electric pump includes: a pump main body that accommodates a pump unit and a motor; and a plate-shaped elastic member that is wound around an outer circumference of the pump main body such that a longitudinal direction of the elastic member extends along a circumferential direction of the pump main body, in which the elastic member is provided with a pair of first locking portions on both end portions in the longitudinal direction, and the outer circumference of the pump main body is provided with a pair of first locking target portions that are locked to the first locking portions.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: January 14, 2020
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Kentaro Mochizuki, Shuji Hattori, Hiroaki Kumagai
  • Patent number: 10480298
    Abstract: An electric submersible pumping system for use in pumping fluids from a wellbore includes a motor, a pump driven by the motor, and a fluid expansion module connected to the motor. The fluid expansion module includes a piston seal housing and a piston assembly contained within the piston seal housing. The piston assembly includes a piston body having an exterior surface, a plurality of seals connected to the exterior surface of the piston body and a pressure equalization system. The pressure equalization system reduces a pressure differential between fluid in an annular space between the plurality of seals and fluid surrounding the first piston assembly.
    Type: Grant
    Filed: June 24, 2017
    Date of Patent: November 19, 2019
    Assignee: GE Oil & Gas ESP, Inc.
    Inventors: Brian Paul Reeves, Jifeng Wang, Chengbao Wang, Omprakash Samudrala
  • Patent number: 10473106
    Abstract: An apparatus and system for sealing an electrical submersible pump (ESP) assembly are described. An ESP system includes a top portion of a seal section including a sand barrier portion defined by a sand barrier stop secured between the ESP intake and an adapter portion, the sand barrier portion including a sand barrier wedged between the sand barrier stop and the adapter portion, the adapter portion encasing a mechanical seal and secured between the sand barrier portion and a head portion, the head portion secured between the adapter portion and a seal section housing, the head portion including a thrust bearing and a thrust runner, wherein each of the thrust bearing and the thrust runner includes at least one pad having a diamond-like carbon (DLC) layer on an outer surface.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: November 12, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Larry James Parmeter, Brett D. Leamy, John Vanderstaay Kenner, David J. Lunk, Keith Leon Johnson, Thomas John Gottschalk, Wesley John Nowitzki
  • Patent number: 10427028
    Abstract: A tile-on-shape puzzle game is disclosed using a plurality of unique shape designs having one or more tile projections disposed on one or both faces of the shape. The tile projections are adapted to fit in a recess on a play tile. Optional play cards are used to provide clues or shape designations and scores. Shapes are played to form a puzzle, with each player selecting where to place a shape, thereby forming a unique puzzle each time the game is played. Tiles must fill every play space on a shape to form a word or numerical/shape sequence. Gameplay provides a means to simultaneously generate and solve puzzles. Play options include competitive or cooperative play, and may be varied based on age and skill level, such as limiting the word or sequence direction to left-right, up-down, diagonal, or a combination thereof, or forming pathways with the puzzle.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: October 1, 2019
    Inventor: Thomas H. Greenawalt
  • Patent number: 10424988
    Abstract: An electric submersible pump is provided which has improved vibrational characteristics relative to conventional electric submersible pumps. The improved electric submersible pumps comprise an electric motor mechanically coupled to a pumping section. The improved vibrational characteristics of the electric submersible pump are attributed to the presence of one or more rotor bearings selected from the group consisting of herringbone patterned rotor bearings, pressure dam rotor bearings, circumferential groove rotor bearings, and combinations of two or more of any of the foregoing rotor bearings.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: September 24, 2019
    Assignee: General Electric Company
    Inventors: Adolfo Delgado Marquez, Jeremy Daniel Van Dam, Ken Ivcar Salas Nobrega, Stephen Masao Sakamoto, Robert Lee Marvel, III
  • Patent number: 10378534
    Abstract: A method for bypassing a float switch controlling a water pump having the steps of providing a water pump having a discharge port. The water pump is hydraulically connected to a water supply. The water supply has a float switch electrically connected to a pressure switch. The pressure switch is hydraulically connected to a discharge port of the water pump. The pressure switch is electrically connected to a manually operated switch. The float switch opens an electrical circuit to the water pump when the float switch senses a low water supply. The manually operated switch manually closes the electrical circuit to the water pump when the float switch has an open circuit which causes the water pump to operate when the supply water level is low.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: August 13, 2019
    Inventor: Derrick Cole
  • Patent number: 10378548
    Abstract: A submersible pump is provided featuring: a motor; run/start capacitors having run/start capacitor connectors; a housing having a motor housing portion and a run/start capacitor housing portion separated by a housing wall, the motor housing portion having a motor housing chamber to receive/contain the motor and oil for immersing the motor in an oil bath, the run/start housing portion having a run/start housing chamber, the housing wall having connection ports to allow sealed connections between electrical components in the motor housing portion and the run/start capacitor housing portion; a removable motor housing cover to couple/close the motor housing portion; a removable run/start capacitor housing cover to couple/close the run/start capacitor housing portion; and a capacitive cup having a side wall portion and a bottom wall portion, to be removeably arranged in the run/start capacitor housing chamber, the bottom wall portion to mount the run/start capacitors to be contained/surrounded by the side wall por
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: August 13, 2019
    Assignee: Fluid Handling LLC
    Inventors: Paul J. Ruzica, Andrzej B. Pawelek, William A. Gell, III
  • Patent number: 10374481
    Abstract: Systems and methods for reducing vibration in an electric motor using rotor bearing assemblies that are positioned within a bore of the stator to support the motor's shaft and rotor sections so that they can rotate within the stator bore. Each rotor bearing assembly includes an outer bearing and an inner bearing sleeve that rotates within the bearing. The bearing is secured so that its rotation within the stator is inhibited, but it can move axially. Each end of the bearing sleeve has a conically tapered contact surface which contacts and secures the corresponding rotor section and centers the rotor section with respect to the axis of rotation of the bearing. The contact surfaces of the rotor sections may be chamfered at an angle complementary to the tapered contact surface of the bearing sleeve to distribute the contact pressure between them over a greater contact surface area.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: August 6, 2019
    Assignee: Baker Hughes Incorporated
    Inventors: James C. Clingman, Michael A. Forsberg
  • Patent number: 10312766
    Abstract: A submersible-rated motor with a non-drive end bearing housing that is incorporated directly into the motor housing in a single casting, a terminal plate assembly that includes a terminal box cast directly onto the non-drive end of the motor housing, a drive end seal housing that is configured to enclose an oil reservoir and a shaft seal assembly, and a drive end bearing housing that is mounted completely inside of the seal housing. The seal housing is sealed separately from the motor housing. Both the drive end bearing housing and the seal housing are piloted for concentricity with the drive end of the motor housing.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: June 4, 2019
    Inventor: Michael E. Pokorny
  • Patent number: 10260557
    Abstract: A rotary machine, comprising: a stator assembly and a rotor assembly centered on a central axis; a magnetic bearing; and an auxiliary bearing including a first ring held in the stator assembly and a second ring delimiting a gap radially to the central axis relative to the rotor. The second ring is not rotating around the central axis in a primary operation mode and is dragged in rotation around the central axis in a secondary operation mode. The rotary machine includes a monitoring system for detecting a transition from the primary operation mode to the secondary operation mode. The monitoring system comprises a target formed on the second ring and a sensor unit fixed relative to the stator assembly. A bearing and a method for manufacturing a rotary machine are additionally disclosed.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: April 16, 2019
    Assignee: SKF Magnetic Mechatronics
    Inventors: Jens Anders, Luc Baudelocque, Frederic Ponson
  • Patent number: 10164500
    Abstract: An electrical submersible pumping system includes a well fluid pump driven by a three-phase motor. The motor has a stack of motor laminations mounted in a housing. The motor laminations have axially aligned slots spaced circumferentially around a bore. Motor windings are wound through the slots for receiving three-phase power provided to the motor. At least one set of three control lines extend axially through the motor laminations radially outward from the bore and equally spaced around the axis, The control lines may extend through channels on the outer diameter of the motor laminations. The control lines may also extend through the same slots that contain the windings. The control lines extend to a downhole element below the motor for controlling the downhole element.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: December 25, 2018
    Assignee: Baker Hughes, a GE Company, LLC
    Inventors: Scott C. Strattan, Peter F. Lawson, Sean A. Cain, John M. Knapp
  • Patent number: 10145224
    Abstract: A system to provide power to a tool includes an electric motor that can operate at rotary speeds of at least 6,000 rpm, a variable speed drive electrically connected to the electric motor, and a step-up transformer electrically coupled to the electric motor and the variable speed drive, in which the variable speed drive can generate and transmit a drive signal to supply power to the electric motor when the electric motor is spaced apart from the variable speed drive by a distance of at least 100 meters, and the transformer can prevent capacitive leakage in the drive signal transmitted over the distance from the variable speed drive to the electric motor.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: December 4, 2018
    Assignee: Upwing Energy, LLC
    Inventors: Suratkal P. Shenoy, Liping Zheng, Herman Artinian, Patrick McMullen, David Biddick, Kuo-Chiang Chen
  • Patent number: 10141695
    Abstract: The electrical connection device includes: a housing, a first contact end, a second contact end, a first connector connectable to the first contact end, and a second connector connected to the second contact end. The electrical connection device may also include an electrical disconnection switch located between the first contact end and the first connector. In addition, the electrical connection device may also include a movable conduction engagement device that is moveable relative to the housing. The conduction engagement device also includes a magnetic element that moves free ends of the first contact end and the first connector of the electrical disconnection switch. The device also includes a mating electrical connection device including a first mating contact end and a second mating contact end, wherein the first and second contact ends make electrical contact with respective mating first and second contact ends of the mating electrical connection device.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: November 27, 2018
    Assignee: COMMSCOPE TECHNOLOGIES LLC
    Inventor: Tyler Royer
  • Patent number: 10124749
    Abstract: A cable includes a lead having at least one wire, and a connector having at least one contact and a liquid-tight dielectric housing. The at least one contact is electrically connected to the at least one wire such that an electric current is conductible from the at least one wire into the at least one contact. A temperature-sensitive measuring resistor is contained in the housing and is electrically connected to the at least one wire such that at least a portion of the electrical current that is conductible into the at least one contact flows through the measuring resistor. A metallic element is disposed on the housing and thermally connected to the measuring resistor.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: November 13, 2018
    Assignee: MD ELEKTRONIK GmbH
    Inventors: Alexander Haas, Sebastian Mirz, Josef Ohni, Roland Preis, Simon Geltinger
  • Patent number: 10118257
    Abstract: A method of forming a conditioned isolation element for a sensor assembly comprises subjecting a preformed isolation element structure to at least one thermal annealing process to form a conditioned isolation element structure substantially less susceptible to at least one of hydrogen permeation, hydrogen-based embrittlement, and hydrogen-based stress-cracking. Conditioned isolation elements and sensor assemblies are also described.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: November 6, 2018
    Assignee: Quartzdyne, Inc.
    Inventors: Nicholas B. Durrant, G. Scott Brown, K. Robert Harker
  • Patent number: 10087938
    Abstract: A pumping device for pumping a fluid is provided. The pumping device includes a pump and a power housing. At least a portion of the pump is positioned within the power housing. The pumping device also includes a first motor and a second motor. The first motor is operably connected to the pump and adapted to provide energy to the pump. At least a portion of the first motor is positioned within the power housing. The second motor is operably connected to the pump and adapted to provide energy to the pump. At least a portion of the second motor is positioned within the power housing.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: October 2, 2018
    Assignee: Regal Beloit America, Inc.
    Inventors: Mohamad Khalil Dahouk, Jason Jon Kreidler, Bruce R. Cole, Norman Carl Golm, Jr., Lester Benjamin Manz, Gregory L. Gross, Michael Allen Marks, John Sheldon Wagley, Yilcan Guzelgunler
  • Patent number: 10030662
    Abstract: An electrical submersible pump assembly has modules including a pump, upper and lower tandem motors, and a pressure equalizer coupled to the motors. A thrust bearing support member is provided in the lower tandem motor and has a central counterbore with a thrust bearing located in the counterbore. Motor wire holes extend axially through the thrust bearing support member and are spaced radially outward from the counterbore. Motor wires of the lower tandem motor extend through the motor wire holes. A plurality of slots extend radially from the motor wire holes to the counterbore. Each of the slots have an axial length at least equal to an axial length of each of the motor wire holes, and a width greater than a diameter of each of the motor wires of the lower tandem motor.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: July 24, 2018
    Assignee: Baker Hughes, a GE Company, LLC
    Inventors: John M. Knapp, John Jay Mack
  • Patent number: 10024324
    Abstract: A pump assembly includes an electric drive motor having a stator and a permanent magnet rotor, at least one impeller connected to the rotor via a rotor shaft, a thrust bearing accommodating axial forces acting on the impeller and rotor shaft in operation, and at least one radial bearing arranged on the rotor shaft. The rotor and stator are designed such that a magnetic axial force, acting in the direction of the rotation axis of the rotor and acting on the rotor in the direction of the inflow direction into the impeller, is produced between the rotor and the stator. The rotor shaft and rotor are mounted displaceably in the axial direction relative to the stator, and with an axial displacement of the rotor shaft in the inflow direction into the impeller, the bearing surfaces of the radial bearing lying opposite one another at least partly disengage.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: July 17, 2018
    Assignee: Grundfos Holding a/s
    Inventor: Thomas Blad
  • Patent number: 9995118
    Abstract: Upper and lower pressure equalizers couple to a lower end of a motor of an electrical submersible pump assembly. An intermediate connection having a liquid flow passage connects the pressure equalizers. A connection valve located in the liquid flow passage closes the liquid flow passage prior to connecting the pressure equalizers with each other, and opens the liquid flow passage after the connection between the pressure equalizers is made. A sensor lower equalizer wire extends from a sensor unit through the lower pressure equalizer to a lower electrical terminal at the upper end of the lower pressure equalizer. A sensor upper equalizer wire connects to the lower electrical terminal and extends through the upper pressure equalizer to an upper electrical terminal at the upper end of the upper pressure equalizer. A sensor motor wire extends downward from the motor into engagement with the upper electrical terminal.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: June 12, 2018
    Assignee: Baker Hughes, a GE Company, LLC
    Inventors: David Tanner, Aron M. Meyer, Arturo Luis Poretti, Ryan P. Semple
  • Patent number: 9937410
    Abstract: A tile-on-shape puzzle game is disclosed using a plurality of unique shape designs having one or more tile projections disposed on one or both faces of the shape. The tile projections are adapted to fit in a recess on a play tile. Optional play cards are used to provide clues or shape designations and scores. Shapes are played to form a puzzle, with each player selecting where to place a shape, thereby forming a unique puzzle each time the game is played. Tiles must fill every play space on a shape to form a word or numerical/shape sequence. Gameplay may be varied based on age and skill level, such as limiting the word or sequence direction to left-right, up-down, diagonal, or a combination thereof, or forming pathways with the puzzle.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: April 10, 2018
    Inventor: Thomas H. Greenawalt
  • Patent number: 9869322
    Abstract: An electrical submersible pump assembly has a seal section coupled to a motor that drives the pump. The seal section has first and second end members spaced axially apart from each other. An outer bellows has a fixed end mourned to the first end member and a floating end that moves axially relative to the fixed end. A rigid, tubular interconnect member has an inner end within the outer bellows and an cuter end fixed to the floating end of the outer bellows. An inner bellows has a floating end secured to the inner end of the interconnect member and a fixed end secured to the second end member. An interconnect evacuation passage extends axially through a side wall of the interconnect member. A first end member evacuation passage extends through the first end member and registers with the interconnect evacuation passage while the outer bellows is contracted.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: January 16, 2018
    Assignee: Baker Hughes, a GE Company, LLC
    Inventors: David Tanner, Aron M. Meyer, Ryan P. Semple
  • Patent number: 9821896
    Abstract: Propulsion unit (11) for propulsion and maneuvering of a maritime vessel, which includes a nozzle (12) exhibiting a curved following edge (12) at outlet of the nozzle (12), which results in that length of the nozzle (12) is longer in upper part of the nozzle (12) and shortest at the outermost points of a horizontal central axis through the nozzle (12), when the nozzle (12) is seen from behind.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: November 21, 2017
    Assignee: Rolls-Royce Marine AS
    Inventors: Steinar Aasebö, Leif Vartdal
  • Patent number: 9777560
    Abstract: A well fluid submersible pump assembly includes a pump operatively coupled to a motor and a seal section located between the motor and the pump. The seal section has a single piece tubular housing with adapters secured to opposite ends of the housing. A shaft extends axially through the housing for driving the pump. An auxiliary seal carrier located in the housing has a central bore through which the shaft extends and has an outer diameter portion that seals to the bore of the housing. Opposed check valves in the seal carrier allow lubricant to flow from one side of the auxiliary carrier to an opposite side of the seal carrier in response to a selected pressure differential. A mechanical face seal mounts to the auxiliary seal carrier and seals around the shaft.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: October 3, 2017
    Assignee: Baker Hughes Incorporated
    Inventors: Steven K. Tetzlaff, Lance T. Robinson, Kevin R. Bierig, Daniel A. Shaffer
  • Patent number: 9726182
    Abstract: A water pump has a pump section having radial impeller blades, a rotational shaft for rotating the radial impeller blades, and a motor section provided in the rear of the pump section and driving the rotational shaft. The motor section has a motor casing, a motor housed in the motor casing and rotating the rotational shaft, bearings provided on both sides of the motor interposed between them on the rotational shaft, interposed between an inner surface of the motor casing and the rotational shaft, and rotatably supporting the rotational shaft. In the motor casing, a vent hole for venting air between a motor space in which the motor is disposed in the motor casing and an outside of the motor casing is formed.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: August 8, 2017
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION
    Inventors: Hirofumi Kanazawa, Takeshi Yamamoto
  • Patent number: 9712098
    Abstract: Embodiments of the invention provide a variable frequency drive system and a method of controlling a pump driven by a motor with the pump in fluid communication with a fluid system. The drive system and method can provide one or more of the following: a sleep mode, pipe break detection, a line fill mode, an automatic start mode, dry run protection, an electromagnetic interference filter compatible with a ground fault circuit interrupter, two-wire and three-wire and three-phase motor compatibility, a simple start-up process, automatic password protection, a pump out mode, digital input/output terminals, and removable input and output power terminal blocks.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: July 18, 2017
    Assignees: Pentair Flow Technologies, LLC, Danfoss Drives A/S
    Inventors: Melissa Drechsel Kidd, William James Genaw, Micheal Robert Pasche, Gary Thomas Baase, II, Lars Hoffmann Berthelsen, Rasmus Fink, Martin Skov Holm
  • Patent number: 9534480
    Abstract: Primary and secondary pump assemblies are mounted to and supported by a supporting device in a well. The supporting device has a valve that has a first position allowing flow from the primary pump assembly while the secondary pump assembly is in a storage mode, and a second position allowing flow from the secondary pump assembly. A barrier in the intake of the secondary pump assembly blocks entry of well fluid into the secondary pump assembly while the valve is in the first position. The secondary pump is filled with a buffer fluid. A pressure compensator mounted to the secondary pump assembly has a movable element that moves in response to a difference between well fluid pressure on an exterior of the secondary pump assembly and the pressure of the buffer fluid contained in the secondary pump to reduce a pressure differential.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: January 3, 2017
    Assignee: Baker Hughes Incorporated
    Inventor: Thomas N. Hendryx
  • Patent number: 9537381
    Abstract: A motor for a compressor, and a reciprocating compressor having the same, are provided. A winding coil may be formed by removing a bobbin from the winding coil, and then coating an insulating material on an outer circumferential surface of the winding coil, to allow heat and moisture generated by the winding coil to be emitted to outside and provide enhanced performance and reliability. As a bobbin is removed from the winding coil, a coil line may be wound on the removed portion of the bobbin to enhance an occupation ratio by the coil line on the same area, and thus enhance efficiency of the motor. An elastic member or an adhesive may be inserted or applied into a space between the winding coil and a coil insertion groove of an inner stator to minimize vibrations of a coil line. The insulating material, which is in the form of powder, may melt while the coil line is adhered as the self-bonding material melts, forming a coating layer.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: January 3, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Sangsub Jeong, Jungsik Park, Hyuk Lee, Jehoon Kim
  • Patent number: 9404503
    Abstract: Provided is a compressor motor that can achieve reduction in length of a motor lead wire, compactification of a motor housing, and reduction in size and weight of an electric compressor, and also provided is an electric compressor including the compressor motor. A cluster block (39) that is connected to a stator coil end of a motor (10) via a motor lead wire is placed in an outer circumferential region of a stator coil end cover (38) or a bobbin (37A) of the motor (10) such that a terminal connection port of the cluster block (39) faces an outer circumferential side. An opening (34) and a placement bearing surface (35) for inserting and placing a hermetic terminal (8) are provided in an outer circumferential region of a motor housing (4), the outer circumferential region facing the cluster block (39) provided on the motor (10) side.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: August 2, 2016
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takayuki Watanabe, Masashi Kuroko, Kazutaka Nakamura
  • Patent number: 9332825
    Abstract: A method for mounting a bush round a part (2) of a shaft with a force fit, which method comprises the following steps: providing a guide element (7, 23) with an outer surface (8) which is at least partly conical; providing the guide element (7, 23) in the extension of the aforesaid part (2) of the shaft (1); pushing the bush (5) over the guide element (7, 23) on the part (2) of the shaft (1).
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: May 10, 2016
    Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventor: Aleksandr Pulnikov
  • Patent number: 9214842
    Abstract: A motor that is operable in response to an external power supply includes a stator core that is electrically connected to the external power supply and a rotor core positioned adjacent the stator core and rotatable about an axis in response to power being delivered to the stator core by the external power supply. A first encasement member is formed around the stator core to define a cavity and a second encasement member is formed around the rotor core and is sized such that at least a portion of the second encasement member and rotor core is disposed within the cavity. A quantity of coolant is disposed within the cavity.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: December 15, 2015
    Assignee: Regal Beloit America, Inc.
    Inventor: Gary D. Noe
  • Patent number: 9154024
    Abstract: Systems and methods for improved generators are described. One embodiment includes an assembly for an axial flux generator, the assembly comprising an arc-shaped rotor section that includes a rotor support configured to rotate around an axis of a generator, and an at least one rotor element for power generation that is connected to the rotor support; an arc-shaped stator section comprising a stator support and an at least one stator element for power generation connected to the stator support; wherein the rotor section and the stator section are configured to provide an axial air gap between the at least one rotor element and the at least one stator element, and wherein the at least one rotor element and the at least one stator element are positioned to be at substantially the same radial distance from the axis of the generator.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: October 6, 2015
    Assignee: Boulder Wind Power, Inc.
    Inventors: Matthew B. Jore, Lincoln Jore, Michael A. Kvam, James D. Jore, David Samsel, James David Duford, James S. Smith
  • Patent number: 9109609
    Abstract: An electrical submersible pump motor has motor oil flowing through external circulation tubes for cooling the motor. A substantial portion of the exterior of each tube is submerged in and exposed to wellbore fluid. Heat is transferred from the motor to the motor oil, and then circulated through the external circulation tubes to conduct heat to the wellbore fluid. Internal or external motor oil pumps may be used to propel the motor oil through the circulation tubes. Guards or baffles may be used to protect the circulation tubes and to influence the flow of production fluid over the circulation tubes.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: August 18, 2015
    Assignee: Baker Hughes Incorporated
    Inventor: Michael Forsberg
  • Patent number: 9093876
    Abstract: Systems and methods for configuring stators for downhole electric motors, where a single master stator can be configured to function as multiple different types of stators. In one embodiment, a configurable stator has a plurality of magnet windings disposed within its body, wherein the windings are connected to a plurality of electrical terminals that are accessible from the exterior of the body of the stator. Each of the terminals is configured to enable any one of a plurality of different types of lead wires to be attached to it, thereby enabling the stator to be configured in various different ways. In one embodiment, the master stator can be configured as a single stator, an upper tandem stator, a middle tandem stator, or a lower tandem stator.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: July 28, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: John M. Knapp, Sean A. Cain, Shane H. McGill
  • Patent number: 9080436
    Abstract: An electrical submersible pumping (ESP) system for use in a wellbore that can be assembled in the wellbore. Upper and lower pump tandems are fitted with connectors that align the tandems when coupled in the wellbore. The connectors on the lower tandems have bores with enlarged openings on upward facing surfaces. Downward pointing pins are on lower facing surfaces of the connectors on the upper tandems. The cross sectional area of each bore decreases with distance away from the openings, so that as the pins insert into the bores the pins move along a helical path that in turn rotates the upper tandem into a designated azimuth and into alignment with the lower tandem. Properly aligning the upper and lower tandems couples respective drive and driven shafts in the tandems as the upper tandem lands on the lower tandem.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: July 14, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Steven K. Tetzlaff, Lance Robinson
  • Publication number: 20150123506
    Abstract: A permanent magnet machine, a rotor assembly for the machine, and a pump assembly. The permanent magnet machine includes a stator assembly including a stator core configured to generate a magnetic field and extending along a longitudinal axis with an inner surface defining a cavity and a rotor assembly including a rotor core and a rotor shaft. The rotor core is disposed inside the cavity and configured to rotate about the longitudinal axis. The rotor assembly further including a plurality of permanent magnets for generating a magnetic field which interacts with the stator magnetic field to produce torque. The permanent magnets configured as one of internal or surface mounted. The rotor assembly also including a plurality of retaining clips configured to retain the plurality of permanent magnets relative to the rotor core. The pump assembly including an electric submersible pump and a permanent magnet motor for driving the pump.
    Type: Application
    Filed: November 4, 2013
    Publication date: May 7, 2015
    Applicant: General Electric Company
    Inventors: Ken Ivcar Salas Nobrega, Jeremy Daniel Van Dam, Manoj Ramprasad Shah, William Dwight Gerstler, Tsarafidy Raminosoa, Edward John Flett, Patel Bhageerath Reddy, James Pellegrino Alexander
  • Patent number: 9018806
    Abstract: The present invention proposes a generator for arrangement on a shaft of an accessory gearbox of an engine with a stator and with a rotor which can be coupled to a shaft of the accessory gearbox of the engine and which is rotatably mounted relative to the stator, where a stator area receiving the stator can be separated from a rotor area receiving the rotor. The rotor can be supplied with cooling medium in the rotor area. It furthermore proposes an accessory gearbox of an engine with a drive shaft operatively connectable to a main shaft of the engine and with at least one generator arranged on a shaft of the accessory gearbox.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: April 28, 2015
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventors: Juergen Beier, Soeren Braun
  • Patent number: 8987957
    Abstract: Systems and methods for rotor bearings that enable improved oil circulation, wherein axial grooves are formed in the outer periphery of each bearing to form channels that allow axial flow of oil through the channels. Each bearing includes a collar, a sleeve and an interference ring. The collar has a bore through its center in which a rotatable sleeve is positioned. The outer periphery of the collar has a circumferential groove and at least one axial groove that extends from one face of the collar to the other. An axially permeable interference ring positioned within the circumferential groove extends radially outward from the groove beyond the outer periphery of the collar. The interference ring (e.g., a looped coil spring) allows fluid in the axial groove to flow through the interference ring. The axial groove may have a different depth than the circumferential groove.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: March 24, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: John M. Knapp, Scott E. Strope
  • Patent number: 8957552
    Abstract: A can of a drive motor is provided for a pump assembly, wherein the can (22) is manufactured at least partly of plastic (52). At least in a part of the can (22) the plastic (52) is reinforced by individual fibers (32) distributed in the plastic (52). The fibers (32) in at least one layer (35) of the can (32) are aligned in a defined manner in the peripheral direction with respect to the longitudinal axis (Z) of the can (22). A method for manufacturing such a can is also provided.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: February 17, 2015
    Assignee: Grundfos Management a/s
    Inventors: Jørn Toftegaard Hansen, Tom Eklundh Larsen, Finn Mathiesen HøJ
  • Publication number: 20150034294
    Abstract: A submersible electrical machine includes a first magnetic package spaced axially from a second magnetic package, a first stator displaced axially from the first magnetic package by a first air gap, a second stator displaced axially from the second magnetic package by a second air gap. The electrical machine can be operated as a generator or as a motor. When operating as a generator, a turbine can rotate the magnetic packages relative to the stators in response to fluid flowing axially across the electrical machine.
    Type: Application
    Filed: July 30, 2013
    Publication date: February 5, 2015
    Applicant: Schlumberger Technology Corporation
    Inventors: Jerome Miles, Scott Dahlgren, Craig Boswell, Scott Wolston, Jacques Orban, Daniel Madsen
  • Patent number: 8946948
    Abstract: A motor includes a cover made of a resin material. The cover includes a first annular portion arranged to extend in an annular shape above coils, a side wall portion arranged to extend downward from an outer circumferential portion of the first annular portion, and a second annular portion arranged to extend radially outward or radially inward from a lower end portion of the side wall portion along an upper surface of a circuit board. The side wall portion is arranged to extend in an axial direction while filling in gaps between teeth on a radially inner side of radially outer end surfaces of the teeth. The coils are covered by the cover to be protected from dust, water droplets, etc. The radially outer end surfaces of the teeth are exposed from the cover, and are thus arranged to be in radial proximity to a rotor magnet.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: February 3, 2015
    Assignee: Nidec Corporation
    Inventors: Masaki Adachi, Yoshiaki Oguma, Yasuyuki Kaji
  • Publication number: 20150015105
    Abstract: The present disclosure relates to a ship's propulsion unit such as a ship's azimuthing propulsion unit. The propulsion unit can include at least one supporting metal sheet arranged between an support section of a shell structure of the propulsion unit and an cylindrical outer surface of a cylindrical section of a motor housing section of the shell structure for providing additional support for the motor housing section of the shell structure at the shell structure of the support section.
    Type: Application
    Filed: July 8, 2014
    Publication date: January 15, 2015
    Applicant: ABB OY
    Inventor: Petri SÄKKINEN